<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script src="../js/vue.js"></script>
    <div id="app">
        <p>原始字符串：{{msg}}</p>
        <p>反转字符串：{{msg.split('').reverse().join('')}}</p>
        <p>计算属性反转：{{revMsg}}</p>
    </div>
    
    <script>
        let vm = new Vue({
            el: "#app",
            data: {
                msg: 'hello Vue.js!'
            },
            computed: {
                revMsg: function () {
                    return this.msg.split('').reverse().join('')
                }
            }
        })
    </script>
</body>

</html>